ngCordova Sqlite + ios

1

hi, am trying to use the ngcordova sqlite plugin with ios, but after adding the plugin , am getting this error when building the app

Error: EACCES, permission denied '/Users/ffff/testapp/platforms/ios/www/plugins/io.litehelpers.cordova.sqlite/www/SQLitePlugin.js'
    at Error (native)
    at Object.fs.openSync (fs.js:500:18)
    at Object.fs.writeFileSync (fs.js:1099:15)
    at /usr/local/lib/node_modules/cordova/node_modules/cordova-lib/src/plugman/prepare.js:123:16
    at Array.forEach (native)
    at /usr/local/lib/node_modules/cordova/node_modules/cordova-lib/src/plugman/prepare.js:98:19
    at Array.forEach (native)
    at Object.handlePrepare (/usr/local/lib/node_modules/cordova/node_modules/cordova-lib/src/plugman/prepare.js:77:24)
    at /usr/local/lib/node_modules/cordova/node_modules/cordova-lib/src/cordova/prepare.js:105:21
    at Array.map (native)

any help on this ?